Find research datasets worth reusing

FIGURE 9 in Polymastiidae and Suberitidae (Porifera: Demospongiae: Hadromerida) of the deep Weddell Sea, Antarctic *

FIGURE 9. Radiella antarctica sp. nov.: spicules. A—frequency distribution of length (extralong spicules of the fringe excluded). B—principal tylostyles. C—small tylostyles. Scale bars for B–C: 0.1 mm.

FIGURE 14 in Polymastiidae and Suberitidae (Porifera: Demospongiae: Hadromerida) of the deep Weddell Sea, Antarctic *

FIGURE 14. Aaptos robustus sp. nov. A—holotype SMF 10562, upper surface. B—the same as A, basal surface after detaching from substrate. C—histological section of idem, general view. D—the same as C, detail of cortex with perpendicular and tangentially lying tylostyles. E—the same as C, detail of cortex with ostia. F—principal strongyloxeas, general view. G–details of proximal and distal ends of a strongyloxea. H—intermediary and small tylostyles. Scale bars: A– B 10 mm; C 1 mm; D–E 0.5 mm; F–H 0.1 mm.

FIGURE 1 in Polymastiidae and Suberitidae (Porifera: Demospongiae: Hadromerida) of the deep Weddell Sea, Antarctic *

FIGURE 1. Map of stations, listed in table 1. Circles designate ANDEEP II, stars designate ANDEEP III.

FIGURE 12 in Polymastiidae and Suberitidae (Porifera: Demospongiae: Hadromerida) of the deep Weddell Sea, Antarctic *

FIGURE 12. Tentorium cf. semisuberites: external morphology and skeleton architecture. A—a specimen from series SMF 10575. B—histological section of idem. C—specimen SMF 10574. D—histological section of idem. E—a specimen from series SMF 10577. F—histological section of idem. Scale bars: A 10 mm; B 1 mm; C–D 2 mm; E–F 1 mm.

FIGURE 4 in Polymastiidae and Suberitidae (Porifera: Demospongiae: Hadromerida) of the deep Weddell Sea, Antarctic *

FIGURE 4. Polymastia invaginata: external morphology and skeleton architecture. A–specimen SMF 10543. B–a specimen from series SMF 10546. C–a specimen from series SMF 10554. D–histological section of SMF 10543, general view. E–histological section of SMF 10546, general view. F–histological section of SMF 10548, detail of choanosome with stellate bundles of small spicules. G–histological section of SMF 10547, detail of cortex. H–histological section of SMF 10543, detail of cortex with a sceptrelike spicule. Scale bars: A–C 10 mm; D–E 1 mm; F–H 0.1 mm.

FIGURE 8 in Polymastiidae and Suberitidae (Porifera: Demospongiae: Hadromerida) of the deep Weddell Sea, Antarctic *

FIGURE 8. Radiella antarctica sp. nov.: skeleton architecture. A—holotype SMF 10558, manual section. B—the same as A, histological section. C—a paratype from series SMF 10563, manual section. D–the same as C, histological section. Scale bars: 2 mm.

FIGURE 11 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 11. Polymastia zitteli (Lendenfeld, 1888) A. QM G337502 front surface immediately after collection. B. QM G337502 reverse surface immediately after collection. C. SEM of papillae showing the hirsute epidermal layer. D. SEM of a cross section of the papillae, showing the ectosomal subtylostyles and the tracts of principal styles and the cavernous interior. E. SEM through the sponge showing the subtylostyle bouquets, the underlying supportive principal styles of the ectosome, and the tracts of principal styles in the cavernous choanosome. F. The large oxeote fusiform principal styles. G. Magnified ends of the style. H. Ectosomal subtylostyles. I. Magnified ends of the ectosomal subtylostytles.

FIGURE 7 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 7. Tentorium labium sp. nov. A. Holotype QM G337614 on the rock, with the damage to the ectosome showing. B. Holotype QM G337614 on the rock, showing the lips. C. Cross section through the specimen. D. Composite image from scanning electron microscope images through the specimen. E. Large styles forming the tracts. F. Magnified ends of the large styles, showing subtle tylostyle heads. G. Small subtylostyles that form the ectosomal palisade. H. Magnified ends of the small subtylostyle. I. Scanning electron microscope image of the ectosomal palisade of subtylostyles and the supporting large styles of the choanosome.

FIGURE 5 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 5. Radiella sclera sp. nov. Holotype QM G316333. A–B. Upper and lower surfaces of the preserved holotype. C–D. Light micrographs of sections through the radial thin ectosomal skeleton (C), and bouquets of tylostyles in the ectosome (D). E. Principal tylostyle. F. Enlarged view of principal tylostyle. G. Intermediate tylostyle. H. Enlarged view of intermediate tylostyle. I. Small tylostyle.

FIGURE 3 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 3. Radiella nidula sp. nov. A. The holotype QM G337524 on deck immediately after collection, upper surface up. B. The holotype QM G337524 fixed basal surface. C. Scanning Electron Microscope collage of a cross section through the paratype QM G337532. D. Bouquets of intermediate tylostyles in the basal surface of the paratype QM G337524. E. Exotyles from the basal surface. F. Closeup of ends of the style in E. G. Intermediate tylostyles in the main body of the sponge. H. Ends of the tylostyles in G. I. Small tylostyles from the body of the sponge.

FIGURE 2 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 2. Maximum likelihood phylogenetic tree of polymastiid species reconstructed from 28S rDNA (C-region). Values> 70 of the bootstrap support for the clades are indicated above the branches. Below branches in italics Bayesian inference posterior probabilities ≥ 0.95. The species sequenced in this studied are highlighted in boldface. Scalebar depicts substitutions /site.

FIGURE 1 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 1. Distribution of the specimens of species described herein as they were collected during the expeditions.

FIGURE 10 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 10. Polymastia norfanzii sp. nov. A. Plan view of the halved sponge QM G339367 showing the hispid surface, with the single papilla in the upper centre, indicated by the arrow. B. Side view of the same sponge illustrating the aquiferous canals and papilla (indicated by the arrow) as well as the obvious ectosomal palisade. C. SEM of the same sponge illustrating the longitudinal tracts of the diverging bouquets of tylostyles and the protective tylostyles on the outside of the papilla. D. Section illustrating the tracts of choanosomal tylostyles. E. SEM of the ectosome showing the small tylostyles amongst the much larger choanosomal tylostyles. F. Choanosomal tylostyles. G. Magnified ends of the tylostyles in F. H. Small tylostyles. I. Terminating ends of the aquiferous channels.

FIGURE 6 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 6. Spinularia flagellata sp. nov. A. The holotype QM G337555 upper surface. B. The holotype QM G337555 basal face. C. Paratype QM G337175, upper face. D. Scanning Electron Microscope collage of a cross section through the paratype QM G337175. E. Fringing styles from the basal surface. F. Closeup of ends of the style in E. G. principal tylostyles in the main body of the sponge. H. Ends of the tylostyles in G. I. Small tylostyles from the choanosome of the sponge. J. Raphides. K. Bouquets of principal tylostyles in the ectosome of the paratype QM G337175. L. QM G339456 upper surface. M. QM G339456 basal face.

FIGURE 4 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 4. Radiella pumix sp. nov. A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome.

FIGURE 9. Polymastia invaginata Kirkpatrick, 1907. A in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 9. Polymastia invaginata Kirkpatrick, 1907. A. QM G315026 underwater. B. QM G311143 underwater. C. QM G315026 fixed. D. Cross section of QM G315026. E. QM G335958 fixed. F. QM G311143 fixed. G. Cross section of QM G311143. H. Composite section of QM G315026. I. section of QM G315026 showing the cortical palisade of tylostyles supported by the choanosomal tracts of styles. J. Stellate formations of tylostyles in the choanosome between the tracts of styles. K. Choanosomal styles. L. Tylostyles.

FIGURE 8 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 8. Ridleia echidna sp. nov. A. The upper surface of the holotype QM G337550 after fixation. B. Cross section through the holotype, showing the radial palisade of the long tylostyles and the collagenous base of the ectosome, as well as the cavernous choanosome. C. SEM of a cross section through the holotype, showing the radial palisade of the long tylostyles, the composition of the collagenous base and small tracts of tylostyles in the cavernous choanosome. D. SEM close-up of the long tylostyles forming the ectosomal palisade. E. The long ectosomal tylostyles. F. The magnified ends of the tylostyle in E. G. The intermediate tylostyles that form the tangential layer of the choanosome. H. The small tylostyles that radiate from the base of the ectosome.